Getting emotional for your money is normal but minding it for so long isn't. Getting rid of your emotions while trading might broke you. The right way to manage it is to control it example trading dedicate yourself into giving you heart and mind to pick the best suited for you being emotional on your loss won't give you knowledge instead learn from your mistakes and strong dedicate yourself from learning and soon controling your emotions will be natural.
I agree, if you want to get rid of losses then you should better get rid of too much emotions during trading. It is just like another way of professionalism where we could still work under pressure. We might face uncertain situations but we should know how to handle it and must have more patience.